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Finding the Fourth Proportional to 183,469.40, 275,204.10 and 113,485.40

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Solution

The fourth proportional to 183,469.40, 275,204.10 and 113,485.40 is: 170,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,469.40 : 275,204.10 = 113,485.40 : x
  2. Step 2: Convert to fraction form
    183,469.40/275,204.10 = 113,485.40/x
  3. Step 3: Cross multiply
    183,469.40x = 275,204.10 × 113,485.40
  4. Step 4: Simplify right side
    183,469.40x = 31,231,647,370.14
  5. Step 5: Solve for x
    x = 31,231,647,370.14/183,469.40
  6. Step 6: Final answer
    x = 170,228.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.